Revision of?Carexomyza?Rohá?ek with descriptions of three new Nearctic species (Diptera: Anthomyzidae)

摘要

The formerly monotypic genus?Carexomyza?Rohá?ek, 2009 (Diptera: Anthomyzidae) is revised to include one Palaearctic, viz.?C. caricis?(Rohá?ek, 1999), and three new Nearctic species, viz.?C. lonsdalei?sp.n.,?C. marshalli?sp.n. and?C. browni?sp.n., all from Canada and the northern United States of America.?Carexomyza?is re-diagnosed and its phylogenetic position within extant Anthomyzinae discussed. All species are described or diagnosed and illustrated and a hypothesis about their relationships (based both on morphological and molecular data) is presented. The biology of?Carexomyza?species is treated for the first time, with new information about habitat, host-plant association, life history and adult behaviour. The distribution of?Carexomyza?species is summarized.